codebook()
==============
Prints out descriptive information for a Pandas Series or DataFrame object.

Arguments
----------
**codebook(data)**

  * **data** must either be a Pandas Series or DataFrame

**returns**

  * Information from a print()

Examples
--------

.. code:: python

    import researchpy as rp
    import pandas as pd
    import patsy

    pdf = pd.DataFrame(patsy.demo_data("y", "x", "age", "disease",
                                   nlevels=3,
                                   min_rows= 20))
    rp.codebook(pdf)



.. raw:: html

    <div>
    <pre>
    Variable: age    Data Type: object

    Number of Obs.: 27
    Number of missing obs.: 0
    Percent missing: 0.0
    Number of unique values: 3

    Data Values and Counts:

    Values  Frequency
    age1          9
    age2          9
    age3          9




    Variable: disease    Data Type: object

    Number of Obs.: 27
    Number of missing obs.: 0
    Percent missing: 0.0
    Number of unique values: 3

    Data Values and Counts:

    Values       Frequency
    disease1          9
    disease2          9
    disease3          9




    Variable: x    Data Type: float64

    Number of Obs.: 27
    Number of missing obs.: 0
    Percent missing: 0.0
    Number of unique values: 27

    Range: [-2.5529898158340787, 2.2697546239876076]
    Mean: 0.39
    Standard Deviation: 1.12
    Mode: -2.5529898158340787
    10th Percentile: -0.9033685955315993
    25th Percentile: -0.12728803004562786
    50th Percentile: 0.4001572083672233
    75th Percentile: 0.9644132008156643
    90th Percentile: 1.8054546036405856





    Variable: y    Data Type: float64

    Number of Obs.: 27
    Number of missing obs.: 0
    Percent missing: 0.0
    Number of unique values: 27

    Range: [-1.980796468223927, 1.9507753952317897]
    Mean: -0.21
    Standard Deviation: 1.06
    Mode: -1.980796468223927
    10th Percentile: -1.4975699013305657
    25th Percentile: -0.9720097631303841
    50th Percentile: -0.3479121493261526
    75th Percentile: 0.38253250873071776
    90th Percentile: 1.325917916396747
    </pre>
    </div>